The Honeywell Top Fill Cool Moisture Tower Humidifier blends a series of convenient and efficient features that will allow owners to create a pristine breathing environment. Convenience has been assured with the inclusion of a system that allows for multiple ways of refilling. The addition of a Programmable LED Digital Humidistat will provide owners an accurate measure of the surrounding levels of humidity. A Filter Check Light as well as a Refill and Humidity Reached Light offer owners the visual cues needed for optimal efficiency. The inclusion of an Auto Shut-Off feature solidifies efficiency as it will remind owners when it's time to refill their humidifier. This top fill humidifier features a 1.5 gallon capacity that's capable of running up to 24 hours. The Honeywell Top Fill Cool Moisture Tower Humidifier is available in two colors and includes a 3 year warranty.